2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 118Get this manual

2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 118

IGNITION TEST EQUIPMENT
TEST EQUIPMENT
IMPORTANT: The following equipment is available from various manufacturers to support ignition and electrical system troubleshooting
Ohmmeter
Used for various resistance measurements and must be capable of reading low and high rangesVarious models available: Merc-O-Tronic Number 700 VOA Stevens Number AT-101

Spark Testers
Various models available: Stevens Number S21, S13C, or S48 Merc-O- Tronic Number 55-4S or 55-6S

Peak-readi ng Voltmeters

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